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Brums [2.3K]
3 years ago
10

How to solve -3(1+6r)=14-r

Mathematics
1 answer:
ahrayia [7]3 years ago
6 0
The answer is r= -1
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Help me out im stuck on these 2 problems
solniwko [45]
1. A=PiR^2
A=3.14 x 6^6
A=3.14 x 36
A=113.04 m^2

V= AxH
V= 113.04 x 10
V= 1130.4 m^3
4 0
3 years ago
The area of a circle is pi(9x2 + 6x + 1) square cm. Find an expression for the length of the circles radius
Ainat [17]

Answer:

r = 3x + 1

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

Here

πr² = π(9x² + 6x + 1) ← divide both sides by π

r² = 9x² + 6x + 1 ← perfect square

r² = (3x + 1)² , thus

r = 3x + 1

8 0
3 years ago
Solve this equation
Rina8888 [55]
-2(b-1)=2(1+7b)

First, distribute; -2b+2=2+14b

Get the variables on one side; -2b+2=2+14b
-14b -14b

Get the constants on one side; -16b+2=2
-2 -2

Divide to find “b”; -16b/-16=0/-16

b=0
6 0
3 years ago
Solve 3x1 = 12. Explain your reasoning.​
Yuki888 [10]
The left side
3
3
does not equal to the right side
12
12
, which means that the given statement is false.
False
6 0
3 years ago
Read 2 more answers
Find the area of the circle to the nearest tenth.
salantis [7]
The answer is b
Brainliest pls
7 0
3 years ago
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